diff options
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4eaf7ed0d1f4..2198979470ec 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -847,6 +847,8 @@ EXPORT_SYMBOL(__napi_alloc_skb); void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off, int size, unsigned int truesize) { + DEBUG_NET_WARN_ON_ONCE(size > truesize); + skb_fill_page_desc(skb, i, page, off, size); skb->len += size; skb->data_len += size; @@ -859,6 +861,8 @@ void skb_coalesce_rx_frag(struct sk_buff *skb, int i, int size, { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + DEBUG_NET_WARN_ON_ONCE(size > truesize); + skb_frag_size_add(frag, size); skb->len += size; skb->data_len += size; |